import java.util.Scanner;


public class T1 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        //求1~n的阶乘的和
        /*int n = sc.nextInt();
        int sum = 0;
        for (int i = 1; i <= n; i++) {
            int ret = 1;
            for (int j = 2; j <= i; j++) {
                ret *= j;
            }
            sum += ret;
        }
        System.out.println(sum);*/

        //JAVA逗号表达式会报错
        /*int a = 2;
        int b = 4;
        int c = 0;
        c += ++a, ++b;
        System.out.println(c);*/

        /*int n = 100;
        while (n <= 200) {
            if (n % 4 == 0 && n % 3 == 0) {
                System.out.println(n);
                n++;
                continue;
            }
            n++;
        }*/
        sc.close();
    }
}
